in a survey group of people 50% like to listen to the radio and 60% like to watch televisision. them is a visit to the area was the television and find the number of people who like to listen to the radio and television with explanation and Venn diagram​in a survey group of people 50% like to listen to the radio and 60% like to watch television if 40% of them is a reason to the radio not was the television then find the number of people who like to listen both the radio and television with a Venn diagram